Home / 147,896.64-204,097.12-84,234.40

Finding the Fourth Proportional to 147,896.64, 204,097.12 and 84,234.40

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Solution

The fourth proportional to 147,896.64, 204,097.12 and 84,234.40 is: 116,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.64 : 204,097.12 = 84,234.40 : x
  2. Step 2: Convert to fraction form
    147,896.64/204,097.12 = 84,234.40/x
  3. Step 3: Cross multiply
    147,896.64x = 204,097.12 × 84,234.40
  4. Step 4: Simplify right side
    147,896.64x = 17,191,998,444.93
  5. Step 5: Solve for x
    x = 17,191,998,444.93/147,896.64
  6. Step 6: Final answer
    x = 116,243.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.